<html>
    <button onclick="login()">登录</button>

    <script>
        function login() {
            window.location.replace("http://127.0.0.1:5003/login.html?username=admin&password=123456&redirect=http%3A%2F%2F127.0.0.1%3A5003%2Findex.html%3Foriginal%3Dhttp%3A%2F%2F127.0.0.1%3A5002");
        }
    </script>
</html>